K1: purpose of before takeoff checklist items, including
K1a: reasons for checking each item
K1b: detecting malfunctions
K1c: ensuring the aircraft is in safe operating condition as recommended by the manufacturer
If an altimeter setting is not available, set altitude to the elevation of the departure area (FAR 91.121)
Crew resource management provides the ability to recognize hazards and mitigate risks.
Pre-takeoff passenger briefing is the responsibility of the pilot in command (FAR 91.107).
The preflight inspection should follow thorough and systematic means recommended by the manufacturer.
Pre-takeoff checklist should be perfomed in the run-up area near the take-off end of the runway.
Risks
R1: Division of attention while conducting before takeoff checks
R2: Unexpected runway changes by ATC
R3: Wake turbulence
R4: Potential powerplant failure during takeoff or other malfunction considering operational factors such as airplane characteristics, runway/takeoff path length, surface conditions, environmental conditions, and obstructions
Skills
S1: Review takeoff performance
S2: Complete the appropriate checklists
S3: Position the airplane appropriately considering wind direction and the presence of any aircraft, vessels, or buildings as applicable
S4: Divide attention inaide and outside the flight deck
S5: Verify that engine parameters and airplane configuration are suitable